/usr/share/gnucash/scm/html-style-info.scm is in gnucash-common 1:2.6.12-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;; html-style-info.scm : generate HTML programmatically, with support
;; for simple style elements.
;; Copyright 2000 Bill Gribble <grib@gnumatic.com>
;;
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2 of
;; the License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; if not, contact:
;;
;; Free Software Foundation Voice: +1-617-542-5942
;; 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652
;; Boston, MA 02110-1301, USA gnu@gnu.org
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; <html-markup-style-info> class
;; this is what's stored for tags in the style hash tables.
;; literal data types have their own style record type,
;; <html-data-style-info>
;;
;; constructor takes pairs of args :
;; (gnc:make-html-markup-style-info field1 value1 field2 value2 ...)
;;
;; values for field (should be passed as symbols):
;; tag : string for start tag
;; attributes : hash of attribute to value (unsafe!)
;; attribute : single attribute-value pair in a list
;; font-face : string for <font face="">
;; font-size : string for <font size="">
;; font-color : color (a valid HTML color spec)
;; closing-font-tag: private data (computed from font-face,
;; font-size, font-color)
;; don't set directly, please!
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define <html-markup-style-info>
(make-record-type "<html-markup-style-info>"
'(tag
attributes
font-face
font-size
font-color
closing-font-tag?
inheritable?)))
(define gnc:html-markup-style-info?
(record-predicate <html-markup-style-info>))
(define gnc:make-html-markup-style-info-internal
(record-constructor <html-markup-style-info>))
(define (gnc:make-html-markup-style-info . rest)
(let ((retval (gnc:make-html-markup-style-info-internal
#f (make-hash-table) #f #f #f #f #t)))
(apply gnc:html-markup-style-info-set! retval rest)
retval))
(define (gnc:html-markup-style-info-set! style . rest)
(let loop ((arglist rest))
(if (and (list? arglist)
(not (null? arglist))
(not (null? (cdr arglist))))
(let* ((field (car arglist))
(value (cadr arglist)))
(if (eq? field 'attribute)
(if (list? value)
(gnc:html-markup-style-info-set-attribute!
style (car value)
(if (null? (cdr value))
#f
(cadr value))))
(begin
(if (memq field '(font-size font-face font-color))
(gnc:html-markup-style-info-set-closing-font-tag!
style
(not (eq? value #f))))
(let ((modifier
(record-modifier <html-markup-style-info> field)))
(modifier style value))))
(loop (cddr arglist)))))
style)
(define gnc:html-markup-style-info-tag
(record-accessor <html-markup-style-info> 'tag))
(define gnc:html-markup-style-info-set-tag!
(record-modifier <html-markup-style-info> 'tag))
(define gnc:html-markup-style-info-attributes
(record-accessor <html-markup-style-info> 'attributes))
(define gnc:html-markup-style-info-set-attributes!
(record-modifier <html-markup-style-info> 'attributes))
(define gnc:html-markup-style-info-font-face
(record-accessor <html-markup-style-info> 'font-face))
(define gnc:html-markup-style-info-set-font-face-internal!
(record-modifier <html-markup-style-info> 'font-face))
(define (gnc:html-markup-style-info-set-font-face! record value)
(begin
(gnc:html-markup-style-info-set-closing-font-tag!
record (not (eq? value #f)))
(gnc:html-markup-style-info-set-font-face-internal! record value)))
(define gnc:html-markup-style-info-font-size
(record-accessor <html-markup-style-info> 'font-size))
(define gnc:html-markup-style-info-set-font-size-internal!
(record-modifier <html-markup-style-info> 'font-size))
(define (gnc:html-markup-style-info-set-font-size! record value)
(begin
(gnc:html-markup-style-info-set-closing-font-tag!
record (not (eq? value #f)))
(gnc:html-markup-style-info-set-font-size-internal! record value)))
(define gnc:html-markup-style-info-font-color
(record-accessor <html-markup-style-info> 'font-color))
(define gnc:html-markup-style-info-set-font-color-internal!
(record-modifier <html-markup-style-info> 'font-color))
(define (gnc:html-markup-style-info-set-font-color! record value)
(begin
(gnc:html-markup-style-info-set-closing-font-tag!
record (not (eq? value #f)))
(gnc:html-markup-style-info-set-font-color-internal! record value)))
(define gnc:html-markup-style-info-closing-font-tag
(record-accessor <html-markup-style-info> 'closing-font-tag?))
(define gnc:html-markup-style-info-set-closing-font-tag!
(record-modifier <html-markup-style-info> 'closing-font-tag?))
(define gnc:html-markup-style-info-inheritable?
(record-accessor <html-markup-style-info> 'inheritable?))
(define gnc:html-markup-style-info-set-inheritable?!
(record-modifier <html-markup-style-info> 'inheritable?))
(define (gnc:html-markup-style-info-set-attribute! info attr val)
(hash-set! (gnc:html-markup-style-info-attributes info) attr val))
(define (gnc:html-markup-style-info-merge s1 s2)
(if (not (gnc:html-markup-style-info? s1))
s2
(if (not (gnc:html-markup-style-info? s2))
s1
(let* ((tag-1 (gnc:html-markup-style-info-tag s1))
(face-1 (gnc:html-markup-style-info-font-face s1))
(size-1 (gnc:html-markup-style-info-font-size s1))
(color-1 (gnc:html-markup-style-info-font-color s1))
(closing-font-tag-1
(gnc:html-markup-style-info-closing-font-tag s1)))
(gnc:make-html-markup-style-info-internal
;; tag
(if tag-1 tag-1 (gnc:html-markup-style-info-tag s2))
;; attributes: if the child is overriding the
;; parent tag, don't initialize the attribute table
;; to the parent's attributes. Otherwise, load
;; parent attrs then load child attrs over them.
(let ((ht (make-hash-table)))
(if (not tag-1)
(hash-fold
(lambda (k v p) (hash-set! ht k v) #f) #f
(gnc:html-markup-style-info-attributes s2)))
(hash-fold
(lambda (k v p) (hash-set! ht k v) #f) #f
(gnc:html-markup-style-info-attributes s1))
ht)
;; font face
(if face-1 face-1 (gnc:html-markup-style-info-font-face s2))
;; font size
(if size-1 size-1 (gnc:html-markup-style-info-font-size s2))
;; color
(if color-1 color-1
(gnc:html-markup-style-info-font-color s2))
;; closing font tag
(or closing-font-tag-1
(gnc:html-markup-style-info-closing-font-tag s2))
;; inheritable (get this always from child)
(gnc:html-markup-style-info-inheritable? s1))))))
(define (gnc:html-style-info-merge s1 s2)
(if (or (gnc:html-markup-style-info? s1)
(gnc:html-markup-style-info? s2))
(gnc:html-markup-style-info-merge s1 s2)
(if (or (gnc:html-data-style-info? s1)
(gnc:html-data-style-info? s2))
(gnc:html-data-style-info-merge s1 s2)
#f)))
(define (gnc:html-data-style-info-merge s1 s2)
(if (gnc:html-data-style-info? s1) s1 s2))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; <html-data-style-info> class
;;
;; literal data is rendered using the html-data-style for that type.
;; ATM the rendering style is defined using a thunk to do the
;; rendering and some data to pass in addition to the object to be
;; rendered.
;;
;; the renderer is a function of two arguments. The first arg is the
;; data to be rendered and the second is the 'data' specified in the
;; style. The return should be an HTML string.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define <html-data-style-info>
(make-record-type "<html-data-style-info>"
'(renderer data inheritable?)))
(define gnc:html-data-style-info?
(record-predicate <html-data-style-info>))
(define gnc:make-html-data-style-info-internal
(record-constructor <html-data-style-info>))
(define (gnc:make-html-data-style-info renderer data)
(gnc:make-html-data-style-info-internal renderer data #t))
(define gnc:html-data-style-info?
(record-predicate <html-data-style-info>))
(define gnc:html-data-style-info-renderer
(record-accessor <html-data-style-info> 'renderer))
(define gnc:html-data-style-info-set-renderer!
(record-modifier <html-data-style-info> 'renderer))
(define gnc:html-data-style-info-data
(record-accessor <html-data-style-info> 'data))
(define gnc:html-data-style-info-set-data!
(record-modifier <html-data-style-info> 'data))
(define gnc:html-data-style-info-inheritable?
(record-accessor <html-data-style-info> 'inheritable?))
(define gnc:html-data-style-info-set-inheritable?!
(record-modifier <html-data-style-info> 'inheritable?))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; default renderers for some data types.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define (gnc:default-html-string-renderer datum params)
datum)
(define (gnc:default-html-gnc-numeric-renderer datum params)
(xaccPrintAmount datum (gnc-default-print-info #f)))
(define (gnc:default-html-gnc-monetary-renderer datum params)
(xaccPrintAmount
(gnc:gnc-monetary-amount datum)
(gnc-commodity-print-info (gnc:gnc-monetary-commodity datum) #t)))
(define (gnc:default-html-number-renderer datum params)
(xaccPrintAmount
(double-to-gnc-numeric datum 100 GNC-RND-ROUND)
(gnc-default-print-info #f)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; <html-style-table> class
;;
;; this used to just be bare hash tables stuck in the <html-object>
;; but since we now support caching and compilation I think it
;; deserves a record structure.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define <html-style-table>
(make-record-type "<html-style-table>"
'(primary compiled inheritable)))
(define gnc:html-style-table?
(record-predicate <html-style-table>))
(define gnc:make-html-style-table-internal
(record-constructor <html-style-table>))
(define (gnc:make-html-style-table)
(gnc:make-html-style-table-internal (make-hash-table) #f #f))
(define gnc:html-style-table-primary
(record-accessor <html-style-table> 'primary))
(define gnc:html-style-table-compiled
(record-accessor <html-style-table> 'compiled))
(define gnc:html-style-table-set-compiled!
(record-modifier <html-style-table> 'compiled))
(define gnc:html-style-table-inheritable
(record-accessor <html-style-table> 'inheritable))
(define gnc:html-style-table-set-inheritable!
(record-modifier <html-style-table> 'inheritable))
(define (gnc:html-style-table-compiled? table)
(if (gnc:html-style-table-compiled table)
#t #f))
(define (gnc:html-style-table-compile table antecedents)
;; merge a key-value pair from an antecedent into the
;; compiled table. Only add values to the inheritable table
;; that are inheritable.
(define (key-merger key value ign)
(let* ((compiled (gnc:html-style-table-compiled table))
(inheritable (gnc:html-style-table-inheritable table))
(old-val (hash-ref compiled key))
(new-val (gnc:html-style-info-merge old-val value)))
(hash-set! compiled key new-val)
(if (and (gnc:html-markup-style-info? value)
(gnc:html-markup-style-info-inheritable? value))
(hash-set! inheritable key new-val))
(if (and (gnc:html-data-style-info? value)
(gnc:html-data-style-info-inheritable? value))
(hash-set! inheritable key new-val))))
;; walk up the list of antecedents merging in style info
(define (compile-worker table-list)
(let ((next (car table-list)))
(if (gnc:html-style-table-compiled? next)
(begin
(hash-fold key-merger #f (gnc:html-style-table-compiled next))
#t)
(begin
(hash-fold key-merger #f (gnc:html-style-table-primary next))
(if (not (null? (cdr table-list)))
(compile-worker (cdr table-list))
#t)))))
;; make the compiled hash table
(gnc:html-style-table-set-compiled! table (make-hash-table))
(gnc:html-style-table-set-inheritable! table (make-hash-table))
;; merge the contents of the primary hash into the compiled table
(hash-fold key-merger #f (gnc:html-style-table-primary table))
;; now merge in the antecedents
(if (not (null? antecedents))
(compile-worker antecedents)))
(define (gnc:html-style-table-uncompile table)
(gnc:html-style-table-set-compiled! table #f)
(gnc:html-style-table-set-inheritable! table #f))
(define (gnc:html-style-table-fetch table antecedents markup)
(define (get-inheritable-style ht)
(let ((s (hash-ref ht markup)))
(if (or (and (gnc:html-markup-style-info? s)
(gnc:html-markup-style-info-inheritable? s))
(and (gnc:html-data-style-info? s)
(gnc:html-data-style-info-inheritable? s)))
s #f)))
(define (fetch-worker style antecedents)
(if (null? antecedents)
style
(let ((parent (car antecedents)))
(if (not parent)
(fetch-worker style (cdr antecedents))
(if (gnc:html-style-table-compiled? parent)
(gnc:html-style-info-merge
style
(hash-ref (gnc:html-style-table-inheritable parent) markup))
(fetch-worker
(gnc:html-style-info-merge
style (get-inheritable-style
(gnc:html-style-table-primary parent)))
(cdr antecedents)))))))
(if (and table (gnc:html-style-table-compiled? table))
(hash-ref (gnc:html-style-table-compiled table) markup)
(fetch-worker
(if table
(hash-ref (gnc:html-style-table-primary table) markup)
#f)
antecedents)))
(define (gnc:html-style-table-set! table markup style-info)
(hash-set! (gnc:html-style-table-primary table) markup style-info))
|